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Identifying Collective Modes via Impurities in the Cuprate Superconductors by Nyberg, Roy H.; Rossi, Enrico; Morr, Dirk K. is a scholarly article available to read on EtoBox.

What is Identifying Collective Modes via Impurities in the Cuprate Superconductors about?

We show that the pinning of collective charge and spin modes by impurities in the cuprate superconductors leads to qualitatively different fingerprints in the local density of states (LDOS). In particular, in a pinned (static) spin droplet, the creation of a resonant impurity state is suppressed, the spin-resolved LDOS exhibits a characteristic spatial pattern, and the LDOS undergoes significant changes with increasing magnetic field. Since all of these fingerprints are absent in a charge droplet, impurities are a new probe for identifying the nature and relative strength of collective modes.

Author

Nyberg, Roy H.; Rossi, Enrico; Morr, Dirk K.

Published

2007

Language

EN